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Converting 230V / 30A DC

Discussion in 'Electronic Basics' started by Umbra, Feb 28, 2011.

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  1. Umbra

    Umbra Guest

    Im using constant DC input od 230V / 30A and i need to convert this into
    220V AC ( 50 hz ).
    What is the simplest way to do this ?

    Regards !
     
  2. Sjouke Burry

    Sjouke Burry Guest

    Quiky: coupled motor/generator.

    Slow: buy/build a (pseudo)sine wave power convertor.
     
  3. Umbra

    Umbra Guest

    Where to get coupled motor/generator ?
    Do you have some schematics on how to build a (pseudo)sine wave power
    convertor.
     
  4. Sjouke Burry

    Sjouke Burry Guest

    Only the advise is free .

    For the rest, use google or elbow grease to built things.
     
  5. Umbra

    Umbra Guest

    :) i agree with you but i done this before.
    I didnt find and converter for something like this...
     
  6. Phil Allison

    Phil Allison Guest

    "Umbra"
    ** That is almost 7 kW.

    What the heck is your source of such high DC power??


    ** You are on the *wrong* NG - pal.




    ..... Phil
     
  7. P E Schoen

    P E Schoen Guest

    "Umbra" wrote in message
    You can use a PWM VF motor drive converter. However, for 220 VAC you will
    need about 300 VDC for the "DC Link". This is about 9 HP, and there are many
    10 HP motor controllers available on eBay and surplus for probably a couple
    hundred dollars. You should be able to rig a transformer to boost the 150
    VAC maximum from the converter to 220 VAC.

    http://cgi.ebay.com/HITACHI-VARIABL...025?pt=LH_DefaultDomain_0&hash=item3cb59a9eb1

    Paul
     
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